1 /*****************************************************************************
2 * mmal.c: MMAL-based vout plugin for Raspberry Pi
3 *****************************************************************************
4 * Copyright © 2014 jusst technologies GmbH
7 * Authors: Dennis Hamester <dennis.hamester@gmail.com>
8 * Julian Scheel <julian@jusst.de>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
31 #include <vlc_common.h>
32 #include <vlc_plugin.h>
33 #include <vlc_threads.h>
34 #include <vlc_vout_display.h>
37 #include <interface/mmal/mmal.h>
38 #include <interface/mmal/util/mmal_util.h>
39 #include <interface/mmal/util/mmal_default_components.h>
40 #include <interface/vmcs_host/vc_tvservice.h>
41 #include <interface/vmcs_host/vc_dispmanx.h>
43 /* This value must match the define in codec/mmal.c
44 * Think twice before changing this. Incorrect values cause havoc.
46 #define NUM_ACTUAL_OPAQUE_BUFFERS 22
48 #define MAX_BUFFERS_IN_TRANSIT 2
49 #define VC_TV_MAX_MODE_IDS 127
51 #define MMAL_LAYER_NAME "mmal-layer"
52 #define MMAL_LAYER_TEXT N_("VideoCore layer where the video is displayed.")
53 #define MMAL_LAYER_LONGTEXT N_("VideoCore layer where the video is displayed. Subpictures are displayed directly above and a black background directly below.")
55 #define MMAL_ADJUST_REFRESHRATE_NAME "mmal-adjust-refreshrate"
56 #define MMAL_ADJUST_REFRESHRATE_TEXT N_("Adjust HDMI refresh rate to the video.")
57 #define MMAL_ADJUST_REFRESHRATE_LONGTEXT N_("Adjust HDMI refresh rate to the video.")
59 static int Open(vlc_object_t *);
60 static void Close(vlc_object_t *);
63 set_shortname(N_("MMAL vout"))
64 set_description(N_("MMAL-based vout plugin for Raspberry Pi"))
65 set_capability("vout display", 90)
66 add_shortcut("mmal_vout")
67 add_integer(MMAL_LAYER_NAME, 1, MMAL_LAYER_TEXT, MMAL_LAYER_LONGTEXT, false)
68 add_bool(MMAL_ADJUST_REFRESHRATE_NAME, false, MMAL_ADJUST_REFRESHRATE_TEXT,
69 MMAL_ADJUST_REFRESHRATE_LONGTEXT, false)
70 set_callbacks(Open, Close)
74 struct dmx_region_t *next;
79 VC_DISPMANX_ALPHA_T alpha;
80 DISPMANX_ELEMENT_HANDLE_T element;
81 DISPMANX_RESOURCE_HANDLE_T resource;
86 struct vout_display_sys_t {
88 picture_pool_t *picture_pool;
90 MMAL_COMPONENT_T *component;
93 struct dmx_region_t *dmx_region;
96 vlc_mutex_t buffer_mutex;
97 vlc_mutex_t manage_mutex;
98 vlc_cond_t buffer_cond;
100 int buffers_in_transit;
101 unsigned num_buffers;
103 DISPMANX_DISPLAY_HANDLE_T dmx_handle;
104 DISPMANX_ELEMENT_HANDLE_T bkg_element;
105 DISPMANX_RESOURCE_HANDLE_T bkg_resource;
106 unsigned display_width;
107 unsigned display_height;
108 bool need_configure_display;
114 struct picture_sys_t {
116 MMAL_BUFFER_HEADER_T *buffer;
120 static const vlc_fourcc_t subpicture_chromas[] = {
125 /* Utility functions */
126 static inline uint32_t align(uint32_t x, uint32_t y);
127 static int configure_display(vout_display_t *vd, const vout_display_cfg_t *cfg,
128 const video_format_t *fmt);
130 /* VLC vout display callbacks */
131 static picture_pool_t *vd_pool(vout_display_t *vd, unsigned count);
132 static void vd_display(vout_display_t *vd, picture_t *picture,
133 subpicture_t *subpicture);
134 static int vd_control(vout_display_t *vd, int query, va_list args);
135 static void vd_manage(vout_display_t *vd);
137 /* VLC picture pool */
138 static int picture_lock(picture_t *picture);
139 static void picture_unlock(picture_t *picture);
142 static void control_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer);
143 static void input_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer);
146 static int query_resolution(vout_display_t *vd, unsigned *width, unsigned *height);
147 static void tvservice_cb(void *callback_data, uint32_t reason, uint32_t param1,
149 static void adjust_refresh_rate(vout_display_t *vd);
152 static void display_subpicture(vout_display_t *vd, subpicture_t *subpicture);
153 static void close_dmx(vout_display_t *vd);
154 static struct dmx_region_t *dmx_region_new(vout_display_t *vd,
155 DISPMANX_UPDATE_HANDLE_T update, subpicture_region_t *region);
156 static void dmx_region_update(struct dmx_region_t *dmx_region,
157 DISPMANX_UPDATE_HANDLE_T update, picture_t *picture);
158 static void dmx_region_delete(struct dmx_region_t *dmx_region,
159 DISPMANX_UPDATE_HANDLE_T update);
160 static void show_background(vout_display_t *vd, bool enable);
162 static int Open(vlc_object_t *object)
164 vout_display_t *vd = (vout_display_t *)object;
165 vout_display_sys_t *sys;
166 uint32_t buffer_pitch, buffer_height;
167 vout_display_place_t place;
168 MMAL_DISPLAYREGION_T display_region;
170 MMAL_STATUS_T status;
171 int ret = VLC_SUCCESS;
174 sys = calloc(1, sizeof(struct vout_display_sys_t));
179 sys->layer = var_InheritInteger(vd, MMAL_LAYER_NAME);
182 vd->info.has_hide_mouse = true;
183 sys->opaque = vd->fmt.i_chroma == VLC_CODEC_MMAL_OPAQUE;
186 vd->fmt.i_chroma = VLC_CODEC_I420;
187 vd->fmt.i_sar_num = vd->source.i_sar_num;
188 vd->fmt.i_sar_den = vd->source.i_sar_den;
190 buffer_pitch = align(vd->fmt.i_width, 32);
191 buffer_height = align(vd->fmt.i_height, 16);
192 sys->buffer_size = 3 * buffer_pitch * buffer_height / 2;
194 status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &sys->component);
195 if (status != MMAL_SUCCESS) {
196 msg_Err(vd, "Failed to create MMAL component %s (status=%"PRIx32" %s)",
197 MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, status, mmal_status_to_string(status));
202 sys->component->control->userdata = (struct MMAL_PORT_USERDATA_T *)vd;
203 status = mmal_port_enable(sys->component->control, control_port_cb);
204 if (status != MMAL_SUCCESS) {
205 msg_Err(vd, "Failed to enable control port %s (status=%"PRIx32" %s)",
206 sys->component->control->name, status, mmal_status_to_string(status));
211 sys->input = sys->component->input[0];
212 sys->input->userdata = (struct MMAL_PORT_USERDATA_T *)vd;
214 sys->input->format->encoding = MMAL_ENCODING_OPAQUE;
216 sys->input->format->encoding = MMAL_ENCODING_I420;
217 sys->input->format->es->video.width = vd->fmt.i_width;
218 sys->input->format->es->video.height = vd->fmt.i_height;
219 sys->input->format->es->video.crop.x = 0;
220 sys->input->format->es->video.crop.y = 0;
221 sys->input->format->es->video.crop.width = vd->fmt.i_width;
222 sys->input->format->es->video.crop.height = vd->fmt.i_height;
223 sys->input->format->es->video.par.num = vd->source.i_sar_num;
224 sys->input->format->es->video.par.den = vd->source.i_sar_den;
226 status = mmal_port_format_commit(sys->input);
227 if (status != MMAL_SUCCESS) {
228 msg_Err(vd, "Failed to commit format for input port %s (status=%"PRIx32" %s)",
229 sys->input->name, status, mmal_status_to_string(status));
233 sys->input->buffer_size = sys->input->buffer_size_recommended;
235 vout_display_PlacePicture(&place, &vd->source, vd->cfg, false);
236 display_region.hdr.id = MMAL_PARAMETER_DISPLAYREGION;
237 display_region.hdr.size = sizeof(MMAL_DISPLAYREGION_T);
238 display_region.fullscreen = MMAL_FALSE;
239 display_region.src_rect.x = vd->fmt.i_x_offset;
240 display_region.src_rect.y = vd->fmt.i_y_offset;
241 display_region.src_rect.width = vd->fmt.i_visible_width;
242 display_region.src_rect.height = vd->fmt.i_visible_height;
243 display_region.dest_rect.x = place.x;
244 display_region.dest_rect.y = place.y;
245 display_region.dest_rect.width = place.width;
246 display_region.dest_rect.height = place.height;
247 display_region.layer = sys->layer;
248 display_region.set = MMAL_DISPLAY_SET_FULLSCREEN | MMAL_DISPLAY_SET_SRC_RECT |
249 MMAL_DISPLAY_SET_DEST_RECT | MMAL_DISPLAY_SET_LAYER;
250 status = mmal_port_parameter_set(sys->input, &display_region.hdr);
251 if (status != MMAL_SUCCESS) {
252 msg_Err(vd, "Failed to set display region (status=%"PRIx32" %s)",
253 status, mmal_status_to_string(status));
259 for (i = 0; i < 3; ++i) {
260 sys->planes[i].i_lines = buffer_height;
261 sys->planes[i].i_pitch = buffer_pitch;
262 sys->planes[i].i_visible_lines = vd->fmt.i_visible_height;
263 sys->planes[i].i_visible_pitch = vd->fmt.i_visible_width;
266 offsets[i] = offsets[i - 1] + sys->planes[i - 1].i_pitch * sys->planes[i - 1].i_lines;
267 sys->planes[i].i_lines /= 2;
268 sys->planes[i].i_pitch /= 2;
269 sys->planes[i].i_visible_lines /= 2;
270 sys->planes[i].i_visible_pitch /= 2;
273 sys->planes[i].p_pixels = (uint8_t *)offsets[i];
276 vlc_mutex_init(&sys->buffer_mutex);
277 vlc_cond_init(&sys->buffer_cond);
278 vlc_mutex_init(&sys->manage_mutex);
281 vd->display = vd_display;
282 vd->control = vd_control;
283 vd->manage = vd_manage;
285 vc_tv_register_callback(tvservice_cb, vd);
287 if (query_resolution(vd, &sys->display_width, &sys->display_height) >= 0) {
288 vout_display_SendEventDisplaySize(vd, sys->display_width, sys->display_height,
289 vd->cfg->is_fullscreen);
291 sys->display_width = vd->cfg->display.width;
292 sys->display_height = vd->cfg->display.height;
295 sys->dmx_handle = vc_dispmanx_display_open(0);
296 vd->info.subpicture_chromas = subpicture_chromas;
299 if (ret != VLC_SUCCESS)
305 static void Close(vlc_object_t *object)
307 vout_display_t *vd = (vout_display_t *)object;
308 vout_display_sys_t *sys = vd->sys;
311 vc_tv_unregister_callback_full(tvservice_cb, vd);
316 if (sys->component && sys->component->control->is_enabled)
317 mmal_port_disable(sys->component->control);
319 if (sys->input && sys->input->is_enabled)
320 mmal_port_disable(sys->input);
322 if (sys->component && sys->component->is_enabled)
323 mmal_component_disable(sys->component);
326 mmal_pool_destroy(sys->pool);
329 mmal_component_release(sys->component);
331 if (sys->picture_pool)
332 picture_pool_Delete(sys->picture_pool);
334 for (i = 0; i < sys->num_buffers; ++i)
335 if (sys->pictures[i])
336 picture_Release(sys->pictures[i]);
338 vlc_mutex_destroy(&sys->buffer_mutex);
339 vlc_cond_destroy(&sys->buffer_cond);
340 vlc_mutex_destroy(&sys->manage_mutex);
348 static inline uint32_t align(uint32_t x, uint32_t y) {
349 uint32_t mod = x % y;
356 static int configure_display(vout_display_t *vd, const vout_display_cfg_t *cfg,
357 const video_format_t *fmt)
359 vout_display_sys_t *sys = vd->sys;
360 vout_display_place_t place;
361 MMAL_DISPLAYREGION_T display_region;
362 MMAL_STATUS_T status;
368 sys->input->format->es->video.par.num = fmt->i_sar_num;
369 sys->input->format->es->video.par.den = fmt->i_sar_den;
371 status = mmal_port_format_commit(sys->input);
372 if (status != MMAL_SUCCESS) {
373 msg_Err(vd, "Failed to commit format for input port %s (status=%"PRIx32" %s)",
374 sys->input->name, status, mmal_status_to_string(status));
384 vout_display_PlacePicture(&place, fmt, cfg, false);
386 display_region.hdr.id = MMAL_PARAMETER_DISPLAYREGION;
387 display_region.hdr.size = sizeof(MMAL_DISPLAYREGION_T);
388 display_region.fullscreen = MMAL_FALSE;
389 display_region.src_rect.x = fmt->i_x_offset;
390 display_region.src_rect.y = fmt->i_y_offset;
391 display_region.src_rect.width = fmt->i_visible_width;
392 display_region.src_rect.height = fmt->i_visible_height;
393 display_region.dest_rect.x = place.x;
394 display_region.dest_rect.y = place.y;
395 display_region.dest_rect.width = place.width;
396 display_region.dest_rect.height = place.height;
397 display_region.layer = sys->layer;
398 display_region.set = MMAL_DISPLAY_SET_FULLSCREEN | MMAL_DISPLAY_SET_SRC_RECT |
399 MMAL_DISPLAY_SET_DEST_RECT | MMAL_DISPLAY_SET_LAYER;
400 status = mmal_port_parameter_set(sys->input, &display_region.hdr);
401 if (status != MMAL_SUCCESS) {
402 msg_Err(vd, "Failed to set display region (status=%"PRIx32" %s)",
403 status, mmal_status_to_string(status));
407 show_background(vd, cfg->is_fullscreen);
408 if (var_InheritBool(vd, MMAL_ADJUST_REFRESHRATE_NAME))
409 adjust_refresh_rate(vd);
412 memcpy(&vd->fmt, fmt, sizeof(video_format_t));
417 static picture_pool_t *vd_pool(vout_display_t *vd, unsigned count)
419 vout_display_sys_t *sys = vd->sys;
420 picture_resource_t picture_res;
421 picture_pool_configuration_t picture_pool_cfg;
422 video_format_t fmt = vd->fmt;
423 MMAL_STATUS_T status;
426 if (sys->picture_pool) {
427 if (sys->num_buffers < count)
428 msg_Warn(vd, "Picture pool with %u pictures requested, but we already have one with %u pictures",
429 count, sys->num_buffers);
435 if (count <= NUM_ACTUAL_OPAQUE_BUFFERS)
436 count = NUM_ACTUAL_OPAQUE_BUFFERS;
439 if (count < sys->input->buffer_num_recommended)
440 count = sys->input->buffer_num_recommended;
443 msg_Dbg(vd, "Creating picture pool with %u pictures", count);
446 sys->input->buffer_num = count;
447 status = mmal_port_enable(sys->input, input_port_cb);
448 if (status != MMAL_SUCCESS) {
449 msg_Err(vd, "Failed to enable input port %s (status=%"PRIx32" %s)",
450 sys->input->name, status, mmal_status_to_string(status));
454 status = mmal_component_enable(sys->component);
455 if (status != MMAL_SUCCESS) {
456 msg_Err(vd, "Failed to enable component %s (status=%"PRIx32" %s)",
457 sys->component->name, status, mmal_status_to_string(status));
461 sys->num_buffers = count;
462 sys->pool = mmal_pool_create_with_allocator(sys->num_buffers, sys->input->buffer_size,
464 (mmal_pool_allocator_alloc_t)mmal_port_payload_alloc,
465 (mmal_pool_allocator_free_t)mmal_port_payload_free);
467 msg_Err(vd, "Failed to create MMAL pool for %u buffers of size %"PRIu32,
468 count, sys->input->buffer_size);
472 memset(&picture_res, 0, sizeof(picture_resource_t));
473 sys->pictures = calloc(sys->num_buffers, sizeof(picture_t *));
474 for (i = 0; i < sys->num_buffers; ++i) {
475 picture_res.p_sys = malloc(sizeof(picture_sys_t));
476 picture_res.p_sys->vd = vd;
477 picture_res.p_sys->buffer = NULL;
479 sys->pictures[i] = picture_NewFromResource(&fmt, &picture_res);
480 if (!sys->pictures[i]) {
481 msg_Err(vd, "Failed to create picture");
482 free(picture_res.p_sys);
487 memset(&picture_pool_cfg, 0, sizeof(picture_pool_configuration_t));
488 picture_pool_cfg.picture_count = sys->num_buffers;
489 picture_pool_cfg.picture = sys->pictures;
490 picture_pool_cfg.lock = picture_lock;
491 picture_pool_cfg.unlock = picture_unlock;
493 sys->picture_pool = picture_pool_NewExtended(&picture_pool_cfg);
494 if (!sys->picture_pool) {
495 msg_Err(vd, "Failed to create picture pool");
500 return sys->picture_pool;
503 static void vd_display(vout_display_t *vd, picture_t *picture,
504 subpicture_t *subpicture)
506 vout_display_sys_t *sys = vd->sys;
507 picture_sys_t *pic_sys = picture->p_sys;
508 MMAL_BUFFER_HEADER_T *buffer = pic_sys->buffer;
509 MMAL_STATUS_T status;
511 if (!pic_sys->displayed || !sys->opaque) {
513 buffer->length = sys->input->buffer_size;
515 vlc_mutex_lock(&sys->buffer_mutex);
516 while (sys->buffers_in_transit >= MAX_BUFFERS_IN_TRANSIT)
517 vlc_cond_wait(&sys->buffer_cond, &sys->buffer_mutex);
519 status = mmal_port_send_buffer(sys->input, buffer);
520 if (status == MMAL_SUCCESS)
521 ++sys->buffers_in_transit;
523 vlc_mutex_unlock(&sys->buffer_mutex);
524 if (status != MMAL_SUCCESS) {
525 msg_Err(vd, "Failed to send buffer to input port. Frame dropped");
526 picture_Release(picture);
529 pic_sys->displayed = true;
531 picture_Release(picture);
534 display_subpicture(vd, subpicture);
537 subpicture_Delete(subpicture);
540 static int vd_control(vout_display_t *vd, int query, va_list args)
542 vout_display_sys_t *sys = vd->sys;
543 vout_display_cfg_t cfg;
544 const vout_display_cfg_t *tmp_cfg;
546 const video_format_t *tmp_fmt;
547 int ret = VLC_EGENERIC;
550 case VOUT_DISPLAY_HIDE_MOUSE:
551 case VOUT_DISPLAY_CHANGE_WINDOW_STATE:
555 case VOUT_DISPLAY_CHANGE_FULLSCREEN:
556 tmp_cfg = va_arg(args, const vout_display_cfg_t *);
557 vout_display_SendEventDisplaySize(vd, sys->display_width,
558 sys->display_height, tmp_cfg->is_fullscreen);
562 case VOUT_DISPLAY_CHANGE_DISPLAY_SIZE:
563 tmp_cfg = va_arg(args, const vout_display_cfg_t *);
564 if (tmp_cfg->display.width == sys->display_width &&
565 tmp_cfg->display.height == sys->display_height) {
567 cfg.display.width = sys->display_width;
568 cfg.display.height = sys->display_height;
569 if (configure_display(vd, &cfg, NULL) >= 0)
574 case VOUT_DISPLAY_CHANGE_DISPLAY_FILLED:
576 tmp_cfg = va_arg(args, const vout_display_cfg_t *);
577 cfg.is_display_filled = tmp_cfg->is_display_filled;
578 if (configure_display(vd, &cfg, NULL) >= 0)
582 case VOUT_DISPLAY_CHANGE_SOURCE_ASPECT:
584 tmp_fmt = va_arg(args, const video_format_t *);
585 fmt.i_sar_num = tmp_fmt->i_sar_num;
586 fmt.i_sar_den = tmp_fmt->i_sar_den;
587 if (configure_display(vd, NULL, &fmt) >= 0)
591 case VOUT_DISPLAY_CHANGE_SOURCE_CROP:
593 tmp_fmt = va_arg(args, const video_format_t *);
594 fmt.i_x_offset = tmp_fmt->i_x_offset;
595 fmt.i_y_offset = tmp_fmt->i_y_offset;
596 fmt.i_visible_width = tmp_fmt->i_visible_width;
597 fmt.i_visible_height = tmp_fmt->i_visible_height;
598 if (configure_display(vd, NULL, &fmt) >= 0)
602 case VOUT_DISPLAY_CHANGE_ZOOM:
603 case VOUT_DISPLAY_RESET_PICTURES:
604 case VOUT_DISPLAY_GET_OPENGL:
605 msg_Warn(vd, "Unsupported control query %d", query);
609 msg_Warn(vd, "Unknown control query %d", query);
616 static void vd_manage(vout_display_t *vd)
618 vout_display_sys_t *sys = vd->sys;
619 unsigned width, height;
621 vlc_mutex_lock(&sys->manage_mutex);
623 if (sys->need_configure_display) {
625 sys->dmx_handle = vc_dispmanx_display_open(0);
627 if (query_resolution(vd, &width, &height) >= 0) {
628 sys->display_width = width;
629 sys->display_height = height;
630 vout_display_SendEventDisplaySize(vd, width, height, vd->cfg->is_fullscreen);
633 sys->need_configure_display = false;
636 vlc_mutex_unlock(&sys->manage_mutex);
639 static int picture_lock(picture_t *picture)
641 vout_display_t *vd = picture->p_sys->vd;
642 vout_display_sys_t *sys = vd->sys;
643 picture_sys_t *pic_sys = picture->p_sys;
645 MMAL_BUFFER_HEADER_T *buffer = mmal_queue_wait(sys->pool->queue);
649 vlc_mutex_lock(&sys->buffer_mutex);
651 mmal_buffer_header_reset(buffer);
652 buffer->user_data = picture;
653 pic_sys->buffer = buffer;
655 memcpy(picture->p, sys->planes, sizeof(sys->planes));
656 picture->p[0].p_pixels = buffer->data;
657 picture->p[1].p_pixels += (ptrdiff_t)buffer->data;
658 picture->p[2].p_pixels += (ptrdiff_t)buffer->data;
660 pic_sys->displayed = false;
662 vlc_mutex_unlock(&sys->buffer_mutex);
667 static void picture_unlock(picture_t *picture)
669 picture_sys_t *pic_sys = picture->p_sys;
670 vout_display_t *vd = pic_sys->vd;
671 vout_display_sys_t *sys = vd->sys;
672 MMAL_BUFFER_HEADER_T *buffer = pic_sys->buffer;
674 vlc_mutex_lock(&sys->buffer_mutex);
676 pic_sys->buffer = NULL;
678 buffer->user_data = NULL;
679 mmal_buffer_header_release(buffer);
682 vlc_mutex_unlock(&sys->buffer_mutex);
685 static void control_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
687 vout_display_t *vd = (vout_display_t *)port->userdata;
688 MMAL_STATUS_T status;
690 if (buffer->cmd == MMAL_EVENT_ERROR) {
691 status = *(uint32_t *)buffer->data;
692 msg_Err(vd, "MMAL error %"PRIx32" \"%s\"", status, mmal_status_to_string(status));
695 mmal_buffer_header_release(buffer);
698 static void input_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
700 vout_display_t *vd = (vout_display_t *)port->userdata;
701 vout_display_sys_t *sys = vd->sys;
702 picture_t *picture = (picture_t *)buffer->user_data;
704 vlc_mutex_lock(&sys->buffer_mutex);
705 --sys->buffers_in_transit;
706 vlc_cond_signal(&sys->buffer_cond);
707 vlc_mutex_unlock(&sys->buffer_mutex);
710 picture_Release(picture);
713 static int query_resolution(vout_display_t *vd, unsigned *width, unsigned *height)
715 TV_DISPLAY_STATE_T display_state;
718 if (vc_tv_get_display_state(&display_state) == 0) {
719 if (display_state.state & 0xFF) {
720 *width = display_state.display.hdmi.width;
721 *height = display_state.display.hdmi.height;
722 } else if (display_state.state & 0xFF00) {
723 *width = display_state.display.sdtv.width;
724 *height = display_state.display.sdtv.height;
726 msg_Warn(vd, "Invalid display state %"PRIx32, display_state.state);
730 msg_Warn(vd, "Failed to query display resolution");
737 static void tvservice_cb(void *callback_data, uint32_t reason, uint32_t param1, uint32_t param2)
743 vout_display_t *vd = (vout_display_t *)callback_data;
744 vout_display_sys_t *sys = vd->sys;
746 vlc_mutex_lock(&sys->manage_mutex);
747 sys->need_configure_display = true;
748 vlc_mutex_unlock(&sys->manage_mutex);
751 static void adjust_refresh_rate(vout_display_t *vd)
753 TV_DISPLAY_STATE_T display_state;
754 TV_SUPPORTED_MODE_NEW_T supported_modes[VC_TV_MAX_MODE_IDS];
756 double frame_rate = (double)vd->fmt.i_frame_rate / vd->fmt.i_frame_rate_base;
758 double best_score, score;
761 vc_tv_get_display_state(&display_state);
762 if(display_state.display.hdmi.mode != HDMI_MODE_OFF) {
763 num_modes = vc_tv_hdmi_get_supported_modes_new(display_state.display.hdmi.group,
764 supported_modes, VC_TV_MAX_MODE_IDS, NULL, NULL);
766 for(i = 0; i < num_modes; ++i) {
767 if(supported_modes[i].width != display_state.display.hdmi.width ||
768 supported_modes[i].height != display_state.display.hdmi.height ||
769 supported_modes[i].scan_mode != display_state.display.hdmi.scan_mode)
772 score = fmod(supported_modes[i].frame_rate, frame_rate);
773 if((best_id < 0) || (score < best_score)) {
779 if((best_id >= 0) && (display_state.display.hdmi.frame_rate != supported_modes[best_id].frame_rate)) {
780 msg_Info(vd, "Setting HDMI refresh rate to %"PRIu32,
781 supported_modes[best_id].frame_rate);
782 vc_tv_hdmi_power_on_explicit_new(HDMI_MODE_HDMI,
783 supported_modes[best_id].group,
784 supported_modes[best_id].code);
789 static void display_subpicture(vout_display_t *vd, subpicture_t *subpicture)
791 vout_display_sys_t *sys = vd->sys;
792 struct dmx_region_t **dmx_region = &sys->dmx_region;
793 struct dmx_region_t *unused_dmx_region;
794 DISPMANX_UPDATE_HANDLE_T update = 0;
797 struct dmx_region_t *dmx_region_next;
800 subpicture_region_t *region = subpicture->p_region;
802 picture = region->p_picture;
807 update = vc_dispmanx_update_start(10);
808 *dmx_region = dmx_region_new(vd, update, region);
809 } else if(((*dmx_region)->bmp_rect.width != (int32_t)fmt->i_visible_width) ||
810 ((*dmx_region)->bmp_rect.height != (int32_t)fmt->i_visible_height) ||
811 ((*dmx_region)->pos_x != region->i_x) ||
812 ((*dmx_region)->pos_y != region->i_y) ||
813 ((*dmx_region)->alpha.opacity != (uint32_t)region->i_alpha)) {
814 dmx_region_next = (*dmx_region)->next;
816 update = vc_dispmanx_update_start(10);
817 dmx_region_delete(*dmx_region, update);
818 *dmx_region = dmx_region_new(vd, update, region);
819 (*dmx_region)->next = dmx_region_next;
820 } else if((*dmx_region)->picture != picture) {
822 update = vc_dispmanx_update_start(10);
823 dmx_region_update(*dmx_region, update, picture);
826 dmx_region = &(*dmx_region)->next;
827 region = region->p_next;
831 /* Remove remaining regions */
832 unused_dmx_region = *dmx_region;
833 while(unused_dmx_region) {
834 dmx_region_next = unused_dmx_region->next;
836 update = vc_dispmanx_update_start(10);
837 dmx_region_delete(unused_dmx_region, update);
838 unused_dmx_region = dmx_region_next;
843 vc_dispmanx_update_submit_sync(update);
846 static void close_dmx(vout_display_t *vd)
848 vout_display_sys_t *sys = vd->sys;
849 DISPMANX_UPDATE_HANDLE_T update = vc_dispmanx_update_start(10);
850 struct dmx_region_t *dmx_region = sys->dmx_region;
851 struct dmx_region_t *dmx_region_next;
854 dmx_region_next = dmx_region->next;
855 dmx_region_delete(dmx_region, update);
856 dmx_region = dmx_region_next;
859 vc_dispmanx_update_submit_sync(update);
860 sys->dmx_region = NULL;
862 show_background(vd, false);
864 vc_dispmanx_display_close(sys->dmx_handle);
865 sys->dmx_handle = DISPMANX_NO_HANDLE;
868 static struct dmx_region_t *dmx_region_new(vout_display_t *vd,
869 DISPMANX_UPDATE_HANDLE_T update, subpicture_region_t *region)
871 vout_display_sys_t *sys = vd->sys;
872 video_format_t *fmt = ®ion->fmt;
873 struct dmx_region_t *dmx_region = malloc(sizeof(struct dmx_region_t));
874 uint32_t image_handle;
876 dmx_region->pos_x = region->i_x;
877 dmx_region->pos_y = region->i_y;
879 vc_dispmanx_rect_set(&dmx_region->bmp_rect, 0, 0, fmt->i_visible_width,
880 fmt->i_visible_height);
881 vc_dispmanx_rect_set(&dmx_region->src_rect, 0, 0, fmt->i_visible_width << 16,
882 fmt->i_visible_height << 16);
883 vc_dispmanx_rect_set(&dmx_region->dst_rect, region->i_x, region->i_y,
884 fmt->i_visible_width, fmt->i_visible_height);
886 dmx_region->resource = vc_dispmanx_resource_create(VC_IMAGE_RGBA32,
887 dmx_region->bmp_rect.width | (region->p_picture->p[0].i_pitch << 16),
888 dmx_region->bmp_rect.height | (dmx_region->bmp_rect.height << 16),
890 vc_dispmanx_resource_write_data(dmx_region->resource, VC_IMAGE_RGBA32,
891 region->p_picture->p[0].i_pitch,
892 region->p_picture->p[0].p_pixels, &dmx_region->bmp_rect);
894 dmx_region->alpha.flags = DISPMANX_FLAGS_ALPHA_FROM_SOURCE | DISPMANX_FLAGS_ALPHA_MIX;
895 dmx_region->alpha.opacity = region->i_alpha;
896 dmx_region->alpha.mask = DISPMANX_NO_HANDLE;
897 dmx_region->element = vc_dispmanx_element_add(update, sys->dmx_handle,
898 sys->layer + 1, &dmx_region->dst_rect, dmx_region->resource,
899 &dmx_region->src_rect, DISPMANX_PROTECTION_NONE,
900 &dmx_region->alpha, NULL, VC_IMAGE_ROT0);
902 dmx_region->next = NULL;
903 dmx_region->picture = region->p_picture;
908 static void dmx_region_update(struct dmx_region_t *dmx_region,
909 DISPMANX_UPDATE_HANDLE_T update, picture_t *picture)
911 vc_dispmanx_resource_write_data(dmx_region->resource, VC_IMAGE_RGBA32,
912 picture->p[0].i_pitch, picture->p[0].p_pixels, &dmx_region->bmp_rect);
913 vc_dispmanx_element_change_source(update, dmx_region->element, dmx_region->resource);
914 dmx_region->picture = picture;
917 static void dmx_region_delete(struct dmx_region_t *dmx_region,
918 DISPMANX_UPDATE_HANDLE_T update)
920 vc_dispmanx_element_remove(update, dmx_region->element);
921 vc_dispmanx_resource_delete(dmx_region->resource);
925 static void show_background(vout_display_t *vd, bool enable)
927 vout_display_sys_t *sys = vd->sys;
928 uint32_t image_ptr, color = 0xFF000000;
929 VC_RECT_T dst_rect, src_rect;
930 DISPMANX_UPDATE_HANDLE_T update;
932 if (enable && !sys->bkg_element) {
933 sys->bkg_resource = vc_dispmanx_resource_create(VC_IMAGE_RGBA32, 1, 1,
935 vc_dispmanx_rect_set(&dst_rect, 0, 0, 1, 1);
936 vc_dispmanx_resource_write_data(sys->bkg_resource, VC_IMAGE_RGBA32,
937 sizeof(color), &color, &dst_rect);
938 vc_dispmanx_rect_set(&src_rect, 0, 0, 1 << 16, 1 << 16);
939 vc_dispmanx_rect_set(&dst_rect, 0, 0, 0, 0);
940 update = vc_dispmanx_update_start(0);
941 sys->bkg_element = vc_dispmanx_element_add(update, sys->dmx_handle,
942 sys->layer - 1, &dst_rect, sys->bkg_resource, &src_rect,
943 DISPMANX_PROTECTION_NONE, NULL, NULL, VC_IMAGE_ROT0);
944 vc_dispmanx_update_submit_sync(update);
945 } else if (!enable && sys->bkg_element) {
946 update = vc_dispmanx_update_start(0);
947 vc_dispmanx_element_remove(update, sys->bkg_element);
948 vc_dispmanx_resource_delete(sys->bkg_resource);
949 vc_dispmanx_update_submit_sync(update);
950 sys->bkg_element = DISPMANX_NO_HANDLE;
951 sys->bkg_resource = DISPMANX_NO_HANDLE;